21000798720

素因数分解:

$2^9\times 3^7\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1$

素因数の和:97

約数の個数: 960

約数和(自身を含む): 85684515840

約数和(自身を除く): 64683717120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 31, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 62, 64, 66, 72, 80, 81, 88, 90, 93, 96, 99, 108, 110, 120, 121, 124, 128, 132, 135, 144, 155, 160, 162, 165, 176, 180, 186, 192, 198, 216, 220, 240, 242, 243, 248, 256, 264, 270, 279, 288, 297, 310, 320, 324, 330, 341, 352, 360, 363, 372, 384, 396, 405, 432, 440, 465, 480, 484, 486, 495, 496, 512, 528, 540, 558, 576, 594, 605, 620, 640, 648, 660, 682, 704, 720, 726, 729, 744, 768, 792, 810, 837, 864, 880, 891, 930, 960, 968, 972, 990, 992, 1023, 1056, 1080, 1089, 1116, 1152, 1188, 1210, 1215, 1240, 1280, 1296, 1320, 1364, 1395, 1408, 1440, 1452, 1458, 1485, 1488, 1536, 1584, 1620, 1674, 1705, 1728, 1760, 1782, 1815, 1860, 1920, 1936, 1944, 1980, 1984, 2046, 2112, 2160, 2178, 2187, 2232, 2304, 2376, 2420, 2430, 2480, 2511, 2560, 2592, 2640, 2673, 2728, 2790, 2816, 2880, 2904, 2916, 2970, 2976, 3069, 3168, 3240, 3267, 3348, 3410, 3456, 3520, 3564, 3630, 3645, 3720, 3751, 3840, 3872, 3888, 3960, 3968, 4092, 4185, 4224, 4320, 4356, 4374, 4455, 4464, 4608, 4752, 4840, 4860, 4960, 5022, 5115, 5184, 5280, 5346, 5445, 5456, 5580, 5632, 5760, 5808, 5832, 5940, 5952, 6138, 6336, 6480, 6534, 6696, 6820, 6912, 7040, 7128, 7260, 7290, 7440, 7502, 7533, 7680, 7744, 7776, 7920, 7936, 8019, 8184, 8370, 8448, 8640, 8712, 8748, 8910, 8928, 9207, 9504, 9680, 9720, 9801, 9920, 10044, 10230, 10368, 10560, 10692, 10890, 10912, 10935, 11160, 11253, 11520, 11616, 11664, 11880, 11904, 12276, 12555, 12672, 12960, 13068, 13365, 13392, 13640, 13824, 14080, 14256, 14520, 14580, 14880, 15004, 15066, 15345, 15488, 15552, 15840, 15872, 16038, 16335, 16368, 16740, 16896, 17280, 17424, 17496, 17820, 17856, 18414, 18755, 19008, 19360, 19440, 19602, 19840, 20088, 20460, 20736, 21120, 21384, 21780, 21824, 21870, 22320, 22506, 22599, 23040, 23232, 23328, 23760, 23808, 24057, 24552, 25110, 25344, 25920, 26136, 26730, 26784, 27280, 27621, 28160, 28512, 29040, 29160, 29403, 29760, 30008, 30132, 30690, 30976, 31104, 31680, 32076, 32670, 32736, 33480, 33759, 34560, 34848, 34992, 35640, 35712, 36828, 37510, 37665, 38016, 38720, 38880, 39204, 39680, 40095, 40176, 40920, 41472, 42240, 42768, 43560, 43648, 43740, 44640, 45012, 45198, 46035, 46464, 46656, 47520, 47616, 48114, 49005, 49104, 50220, 50688, 51840, 52272, 53460, 53568, 54560, 55242, 56265, 57024, 58080, 58320, 58806, 59520, 60016, 60264, 61380, 61952, 62208, 63360, 64152, 65340, 65472, 66960, 67518, 67797, 69120, 69696, 69984, 71280, 71424, 73656, 75020, 75330, 76032, 77440, 77760, 78408, 79360, 80190, 80352, 81840, 82863, 84480, 85536, 87120, 87296, 87480, 88209, 89280, 90024, 90396, 92070, 92928, 93312, 95040, 96228, 98010, 98208, 100440, 101277, 103680, 104544, 106920, 107136, 109120, 110484, 112530, 112995, 114048, 116160, 116640, 117612, 119040, 120032, 120285, 120528, 122760, 124416, 126720, 128304, 130680, 130944, 133920, 135036, 135594, 138105, 139392, 139968, 142560, 142848, 147015, 147312, 150040, 150660, 152064, 154880, 155520, 156816, 160380, 160704, 163680, 165726, 168795, 171072, 174240, 174592, 174960, 176418, 178560, 180048, 180792, 184140, 185856, 186624, 190080, 192456, 196020, 196416, 200880, 202554, 207360, 209088, 213840, 214272, 218240, 220968, 225060, 225990, 228096, 232320, 233280, 235224, 238080, 240064, 240570, 241056, 245520, 248589, 253440, 256608, 261360, 261888, 264627, 267840, 270072, 271188, 276210, 278784, 279936, 285120, 294030, 294624, 300080, 301320, 303831, 309760, 311040, 313632, 320760, 321408, 327360, 331452, 337590, 338985, 342144, 348480, 349920, 352836, 357120, 360096, 361584, 368280, 373248, 380160, 384912, 392040, 392832, 401760, 405108, 414315, 418176, 427680, 428544, 436480, 441045, 441936, 450120, 451980, 456192, 464640, 466560, 470448, 480128, 481140, 482112, 491040, 497178, 506385, 513216, 522720, 523776, 529254, 535680, 540144, 542376, 552420, 557568, 559872, 570240, 588060, 589248, 600160, 602640, 607662, 622080, 627264, 641520, 642816, 654720, 662904, 675180, 677970, 684288, 696960, 699840, 705672, 714240, 720192, 723168, 736560, 745767, 760320, 769824, 784080, 785664, 803520, 810216, 828630, 836352, 855360, 872960, 882090, 883872, 900240, 903960, 911493, 929280, 933120, 940896, 960256, 962280, 964224, 982080, 994356, 1012770, 1026432, 1045440, 1058508, 1071360, 1080288, 1084752, 1104840, 1119744, 1140480, 1176120, 1178496, 1200320, 1205280, 1215324, 1242945, 1254528, 1283040, 1285632, 1309440, 1323135, 1325808, 1350360, 1355940, 1368576, 1393920, 1399680, 1411344, 1440384, 1446336, 1473120, 1491534, 1519155, 1539648, 1568160, 1571328, 1607040, 1620432, 1657260, 1672704, 1710720, 1764180, 1767744, 1800480, 1807920, 1822986, 1866240, 1881792, 1920512, 1924560, 1928448, 1964160, 1988712, 2025540, 2052864, 2090880, 2117016, 2142720, 2160576, 2169504, 2209680, 2280960, 2352240, 2356992, 2400640, 2410560, 2430648, 2485890, 2509056, 2566080, 2618880, 2646270, 2651616, 2700720, 2711880, 2734479, 2787840, 2799360, 2822688, 2880768, 2892672, 2946240, 2983068, 3038310, 3079296, 3136320, 3214080, 3240864, 3314520, 3421440, 3528360, 3535488, 3600960, 3615840, 3645972, 3728835, 3763584, 3849120, 3856896, 3928320, 3977424, 4051080, 4105728, 4181760, 4234032, 4321152, 4339008, 4419360, 4557465, 4704480, 4713984, 4801280, 4821120, 4861296, 4971780, 5018112, 5132160, 5292540, 5303232, 5401440, 5423760, 5468958, 5598720, 5645376, 5761536, 5785344, 5892480, 5966136, 6076620, 6158592, 6272640, 6428160, 6481728, 6629040, 6842880, 7056720, 7070976, 7201920, 7231680, 7291944, 7457670, 7527168, 7698240, 7856640, 7954848, 8102160, 8203437, 8363520, 8468064, 8642304, 8678016, 8838720, 9114930, 9408960, 9602560, 9642240, 9722592, 9943560, 10264320, 10585080, 10606464, 10802880, 10847520, 10937916, 11290752, 11570688, 11784960, 11932272, 12153240, 12317184, 12545280, 12963456, 13258080, 13672395, 14113440, 14141952, 14403840, 14463360, 14583888, 14915340, 15054336, 15396480, 15909696, 16204320, 16406874, 16936128, 17284608, 17356032, 17677440, 18229860, 18817920, 19284480, 19445184, 19887120, 20528640, 21170160, 21212928, 21605760, 21695040, 21875832, 22581504, 23569920, 23864544, 24306480, 25090560, 25926912, 26516160, 27344790, 28226880, 28807680, 28926720, 29167776, 29830680, 30792960, 31819392, 32408640, 32813748, 33872256, 34712064, 35354880, 36459720, 37635840, 38890368, 39774240, 41017185, 42340320, 42425856, 43211520, 43390080, 43751664, 45163008, 47729088, 48612960, 51853824, 53032320, 54689580, 56453760, 57853440, 58335552, 59661360, 61585920, 63638784, 64817280, 65627496, 67744512, 70709760, 72919440, 75271680, 77780736, 79548480, 82034370, 84680640, 86423040, 86780160, 87503328, 95458176, 97225920, 106064640, 109379160, 112907520, 116671104, 119322720, 127277568, 129634560, 131254992, 135489024, 145838880, 155561472, 159096960, 164068740, 169361280, 173560320, 175006656, 190916352, 194451840, 212129280, 218758320, 225815040, 233342208, 238645440, 259269120, 262509984, 291677760, 318193920, 328137480, 338722560, 350013312, 381832704, 388903680, 437516640, 466684416, 477290880, 525019968, 583355520, 636387840, 656274960, 677445120, 700026624, 777807360, 875033280, 954581760, 1050039936, 1166711040, 1312549920, 1400053248, 1750066560, 1909163520, 2100079872, 2333422080, 2625099840, 3500133120, 4200159744, 5250199680, 7000266240, 10500399360, 21000798720]

約数ペア:

[(1, 21000798720), (2, 10500399360), (3, 7000266240), (4, 5250199680), (5, 4200159744), (6, 3500133120), (8, 2625099840), (9, 2333422080), (10, 2100079872), (11, 1909163520), (12, 1750066560), (15, 1400053248), (16, 1312549920), (18, 1166711040), (20, 1050039936), (22, 954581760), (24, 875033280), (27, 777807360), (30, 700026624), (31, 677445120), (32, 656274960), (33, 636387840), (36, 583355520), (40, 525019968), (44, 477290880), (45, 466684416), (48, 437516640), (54, 388903680), (55, 381832704), (60, 350013312), (62, 338722560), (64, 328137480), (66, 318193920), (72, 291677760), (80, 262509984), (81, 259269120), (88, 238645440), (90, 233342208), (93, 225815040), (96, 218758320), (99, 212129280), (108, 194451840), (110, 190916352), (120, 175006656), (121, 173560320), (124, 169361280), (128, 164068740), (132, 159096960), (135, 155561472), (144, 145838880), (155, 135489024), (160, 131254992), (162, 129634560), (165, 127277568), (176, 119322720), (180, 116671104), (186, 112907520), (192, 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(960, 21875832), (968, 21695040), (972, 21605760), (990, 21212928), (992, 21170160), (1023, 20528640), (1056, 19887120), (1080, 19445184), (1089, 19284480), (1116, 18817920), (1152, 18229860), (1188, 17677440), (1210, 17356032), (1215, 17284608), (1240, 16936128), (1280, 16406874), (1296, 16204320), (1320, 15909696), (1364, 15396480), (1395, 15054336), (1408, 14915340), (1440, 14583888), (1452, 14463360), (1458, 14403840), (1485, 14141952), (1488, 14113440), (1536, 13672395), (1584, 13258080), (1620, 12963456), (1674, 12545280), (1705, 12317184), (1728, 12153240), (1760, 11932272), (1782, 11784960), (1815, 11570688), (1860, 11290752), (1920, 10937916), (1936, 10847520), (1944, 10802880), (1980, 10606464), (1984, 10585080), (2046, 10264320), (2112, 9943560), (2160, 9722592), (2178, 9642240), (2187, 9602560), (2232, 9408960), (2304, 9114930), (2376, 8838720), (2420, 8678016), (2430, 8642304), (2480, 8468064), (2511, 8363520), (2560, 8203437), (2592, 8102160), (2640, 7954848), (2673, 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(6820, 3079296), (6912, 3038310), (7040, 2983068), (7128, 2946240), (7260, 2892672), (7290, 2880768), (7440, 2822688), (7502, 2799360), (7533, 2787840), (7680, 2734479), (7744, 2711880), (7776, 2700720), (7920, 2651616), (7936, 2646270), (8019, 2618880), (8184, 2566080), (8370, 2509056), (8448, 2485890), (8640, 2430648), (8712, 2410560), (8748, 2400640), (8910, 2356992), (8928, 2352240), (9207, 2280960), (9504, 2209680), (9680, 2169504), (9720, 2160576), (9801, 2142720), (9920, 2117016), (10044, 2090880), (10230, 2052864), (10368, 2025540), (10560, 1988712), (10692, 1964160), (10890, 1928448), (10912, 1924560), (10935, 1920512), (11160, 1881792), (11253, 1866240), (11520, 1822986), (11616, 1807920), (11664, 1800480), (11880, 1767744), (11904, 1764180), (12276, 1710720), (12555, 1672704), (12672, 1657260), (12960, 1620432), (13068, 1607040), (13365, 1571328), (13392, 1568160), (13640, 1539648), (13824, 1519155), (14080, 1491534), (14256, 1473120), (14520, 1446336), (14580, 1440384), (14880, 1411344), (15004, 1399680), (15066, 1393920), (15345, 1368576), (15488, 1355940), (15552, 1350360), (15840, 1325808), (15872, 1323135), (16038, 1309440), (16335, 1285632), (16368, 1283040), (16740, 1254528), (16896, 1242945), (17280, 1215324), (17424, 1205280), (17496, 1200320), (17820, 1178496), (17856, 1176120), (18414, 1140480), (18755, 1119744), (19008, 1104840), (19360, 1084752), (19440, 1080288), (19602, 1071360), (19840, 1058508), (20088, 1045440), (20460, 1026432), (20736, 1012770), (21120, 994356), (21384, 982080), (21780, 964224), (21824, 962280), (21870, 960256), (22320, 940896), (22506, 933120), (22599, 929280), (23040, 911493), (23232, 903960), (23328, 900240), (23760, 883872), (23808, 882090), (24057, 872960), (24552, 855360), (25110, 836352), (25344, 828630), (25920, 810216), (26136, 803520), (26730, 785664), (26784, 784080), (27280, 769824), (27621, 760320), (28160, 745767), (28512, 736560), (29040, 723168), (29160, 720192), (29403, 714240), (29760, 705672), (30008, 699840), (30132, 696960), (30690, 684288), (30976, 677970), (31104, 675180), (31680, 662904), (32076, 654720), (32670, 642816), (32736, 641520), (33480, 627264), (33759, 622080), (34560, 607662), (34848, 602640), (34992, 600160), (35640, 589248), (35712, 588060), (36828, 570240), (37510, 559872), (37665, 557568), (38016, 552420), (38720, 542376), (38880, 540144), (39204, 535680), (39680, 529254), (40095, 523776), (40176, 522720), (40920, 513216), (41472, 506385), (42240, 497178), (42768, 491040), (43560, 482112), (43648, 481140), (43740, 480128), (44640, 470448), (45012, 466560), (45198, 464640), (46035, 456192), (46464, 451980), (46656, 450120), (47520, 441936), (47616, 441045), (48114, 436480), (49005, 428544), (49104, 427680), (50220, 418176), (50688, 414315), (51840, 405108), (52272, 401760), (53460, 392832), (53568, 392040), (54560, 384912), (55242, 380160), (56265, 373248), (57024, 368280), (58080, 361584), (58320, 360096), (58806, 357120), (59520, 352836), (60016, 349920), (60264, 348480), (61380, 342144), (61952, 338985), (62208, 337590), (63360, 331452), (64152, 327360), (65340, 321408), (65472, 320760), (66960, 313632), (67518, 311040), (67797, 309760), (69120, 303831), (69696, 301320), (69984, 300080), (71280, 294624), (71424, 294030), (73656, 285120), (75020, 279936), (75330, 278784), (76032, 276210), (77440, 271188), (77760, 270072), (78408, 267840), (79360, 264627), (80190, 261888), (80352, 261360), (81840, 256608), (82863, 253440), (84480, 248589), (85536, 245520), (87120, 241056), (87296, 240570), (87480, 240064), (88209, 238080), (89280, 235224), (90024, 233280), (90396, 232320), (92070, 228096), (92928, 225990), (93312, 225060), (95040, 220968), (96228, 218240), (98010, 214272), (98208, 213840), (100440, 209088), (101277, 207360), (103680, 202554), (104544, 200880), (106920, 196416), (107136, 196020), (109120, 192456), (110484, 190080), (112530, 186624), (112995, 185856), (114048, 184140), (116160, 180792), (116640, 180048), (117612, 178560), (119040, 176418), (120032, 174960), (120285, 174592), (120528, 174240), (122760, 171072), (124416, 168795), (126720, 165726), (128304, 163680), (130680, 160704), (130944, 160380), (133920, 156816), (135036, 155520), (135594, 154880), (138105, 152064), (139392, 150660), (139968, 150040), (142560, 147312), (142848, 147015)]